Watersport tower



FIG. 1 is a perspective view of a watersport tower;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of the side shown in FIG. 3;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

The boat is shown in broken lines in FIG. 1 for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a watersport tower, as shown and described. 